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/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* created at Sep 17, 2001
* @author Jeka
*/
package com.intellij.refactoring.changeSignature;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.*;
import com.intellij.psi.codeStyle.JavaCodeStyleManager;
import com.intellij.refactoring.util.CanonicalTypes;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.List;
public class ParameterInfoImpl implements JavaParameterInfo {
private static final Logger LOG = Logger.getInstance("#com.intellij.refactoring.changeSignature.ParameterInfoImpl");
public int oldParameterIndex;
boolean useAnySingleVariable;
private String name = "";
public static final ParameterInfoImpl[] EMPTY_ARRAY = new ParameterInfoImpl[0];
private CanonicalTypes.Type myType;
String defaultValue = "";
public ParameterInfoImpl(int oldParameterIndex) {
this.oldParameterIndex = oldParameterIndex;
}
public ParameterInfoImpl(int oldParameterIndex, @NonNls String name, PsiType aType) {
setName(name);
this.oldParameterIndex = oldParameterIndex;
setType(aType);
}
public ParameterInfoImpl(int oldParameterIndex, @NonNls String name, PsiType aType, @NonNls String defaultValue) {
this(oldParameterIndex, name, aType, defaultValue, false);
}
public ParameterInfoImpl(int oldParameterIndex, @NonNls String name, PsiType aType, @NonNls String defaultValue, boolean useAnyVariable) {
this(oldParameterIndex, name, aType);
this.defaultValue = defaultValue;
useAnySingleVariable = useAnyVariable;
}
public ParameterInfoImpl(int oldParameterIndex, String name, CanonicalTypes.Type typeWrapper, String defaultValue) {
setName(name);
this.oldParameterIndex = oldParameterIndex;
myType = typeWrapper;
this.defaultValue = defaultValue;
}
public int getOldIndex() {
return oldParameterIndex;
}
public void setUseAnySingleVariable(boolean useAnySingleVariable) {
this.useAnySingleVariable = useAnySingleVariable;
}
public void updateFromMethod(PsiMethod method) {
if (getTypeWrapper() != null) return;
final PsiParameter[] parameters = method.getParameterList().getParameters();
LOG.assertTrue(oldParameterIndex >= 0 && oldParameterIndex < parameters.length);
final PsiParameter parameter = parameters[oldParameterIndex];
setName(parameter.getName());
setType(parameter.getType());
}
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof ParameterInfoImpl)) return false;
ParameterInfoImpl parameterInfo = (ParameterInfoImpl) o;
if (oldParameterIndex != parameterInfo.oldParameterIndex) return false;
if (defaultValue != null ? !defaultValue.equals(parameterInfo.defaultValue) : parameterInfo.defaultValue != null) return false;
if (!getName().equals(parameterInfo.getName())) return false;
if (!getTypeText().equals(parameterInfo.getTypeText())) return false;
return true;
}
public int hashCode() {
final String name = getName();
int result = name != null ? name.hashCode() : 0;
result = 29 * result + getTypeText().hashCode();
return result;
}
public String getTypeText() {
if (getTypeWrapper() != null) {
return getTypeWrapper().getTypeText();
}
else {
return "";
}
}
public PsiType createType(PsiElement context, final PsiManager manager) throws IncorrectOperationException {
if (getTypeWrapper() != null) {
return getTypeWrapper().getType(context, manager);
} else {
return null;
}
}
public void setType(PsiType type) {
myType = CanonicalTypes.createTypeWrapper(type);
}
public String getName() {
return name;
}
public CanonicalTypes.Type getTypeWrapper() {
return myType;
}
public void setName(String name) {
this.name = name != null ? name : "";
}
public boolean isVarargType() {
return getTypeText().endsWith("...");
}
public static ParameterInfoImpl[] fromMethod(PsiMethod method) {
List<ParameterInfoImpl> result = new ArrayList<ParameterInfoImpl>();
final PsiParameter[] parameters = method.getParameterList().getParameters();
for (int i = 0; i < parameters.length; i++) {
PsiParameter parameter = parameters[i];
result.add(new ParameterInfoImpl(i, parameter.getName(), parameter.getType()));
}
return result.toArray(new ParameterInfoImpl[result.size()]);
}
@Nullable
public PsiExpression getValue(final PsiCallExpression expr) throws IncorrectOperationException {
if (StringUtil.isEmpty(defaultValue)) return null;
final PsiExpression expression =
JavaPsiFacade.getInstance(expr.getProject()).getElementFactory().createExpressionFromText(defaultValue, expr);
return (PsiExpression)JavaCodeStyleManager.getInstance(expr.getProject()).shortenClassReferences(expression);
}
public boolean isUseAnySingleVariable() {
return useAnySingleVariable;
}
public String getDefaultValue() {
return defaultValue;
}
public void setDefaultValue(final String defaultValue) {
this.defaultValue = defaultValue;
}
}
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